Astrophysical Data

Data in Astrohysics

3

2D ImagesSpectra

Tabular data

3D Cube dataSimulation data

Time series

coming data• LSST (2020) : 3 Billions

pixels every 17 seconds.

140 petabytes

4

Pan-Starrs : 6,000 deg2 per night. several terabytes per night for the full

telescope.hundreds of Peta bytes.

Software techniques are therefore being developed to extract the

information In full survey mode, typical exposures last 30 seconds, so the raw data rate is several terabytes per night for the full telescope. http://pan-starrs.ifa.hawaii.edu/public/design-features/data-handling.html

LSST : http://www.lsst.org/lsst/Gaia : http://www.esa.int/

Pan-Starrs :http://pan-starrs.ifa.hawaii.edu/

• GAIA

Gaia is a global space astrometry mission. Its goal is to make the largest, most precise three-dimensional map of our Galaxy by surveying an unprecedented number of stars - more than a thousand million.

coming data

5Gaia : http://gaia.esa.int